(6+x)×0.12=1.8

8x-4.8x+1.6=6-1.8x8X-4.8X+1.6=6-1.8x3.2x+1.6=6-1.8x3.2x+1.8x=6-1.65x=4.4x=0.881.10.883.2x+1.6=6-1.8x3.2x=4.2+6x9.2x=46x=

解答下列方程式6X-0.18=5X+0.12、1.5X-1.8=X=2.2、30-2.7X=3.8X-15.5、7.8-X=3.6+X、6（X-3）=34+2X0.4（2-3X）=2X我开学才上五年级,还没学解方程6X-0.18=5X+0.

1.8x-6=x怎么解?移项1.8x-x=60.8x=6x=6÷0.8x=7.51.8x-x=60.8x=6x=7.5

方程1.8x+6x=701.8x+6x=707.8x=70x=350/39=8.97435897435937778249

x+0.3=1.8x-1.5=45x=1.5x÷1.1=33+x=5.4x-6=7.60.2x=6x÷5=15x+0.3=1.8x=1.8-0.3x=1.5x-1.5=4x=4+1.5x=5.55x=1.5x=1.5/5x=0.3x÷1.1

x+0.3=1.8x-1.5=45x=1.5x÷1.1=33+x=5.4x-6=7.60.2x=6x÷5=151.X=1.8-0.3X=1.5检验：1.8-0.3=1.52.X=4+1.5X=5.5检验：4+1.5=5.53.X=1.5/5

5x-x=2.41.5x-x=16.6x-6x=1.82x-2/3x=3/4解方程5x-x=2.44x=2.4x=2.4÷4x=0.61.5x-x=10.5x=1x=1÷0.5x=26.6x-6x=1.80.6x=1.8x=1.8÷0.6x

x/x-2+x-9/x-7=x+1/x-1+x-8/x-6,x/(x-2)+(x-9)/(x-7)=(x+1)/(x-1)+(x-8)/(x-6)x/(x-2)-(x-8)/(x-6)=(x+1)/(x-1)-(x-9)/(x-7)(x^2

x/x-2+x-9/x-7=x+1/x-1+x-8/x-6,x=4..思路..将第二项移到右边..第三项移到左边..两边分别进行通分化简..做到这步乃就明白了..千万不要两边同时进行化简..很麻烦的..

0.2x+0.5/0.5--0.03+0.12x/0.3=x-6/2（0.2x+0.5)/0.5-（0.03+0.12x)/0.3=（x-6)/2(0.2x+0.5)/0.5=0.4x+1（0.03+0.12x)/0.3=0.1+0.4x原

(x+8)(x+6)(x+7)+(x+5)(x+6)(x+7)=(x+5)(x+8)(x+7)+(x+5)(x+8)(x+6)方程左边=(x+8)(x+6)(x+7)+(x+5)(x+6)(x+7)=(x+6)(x+7)(x+8+x+5)=

8x+（5-x）X12=529x-26=4.5x=14.59-0.72x=6-0.12x40x-20+42=108小孩子好好做做作业,这种事不要百度,给你做两题剩下自己参考的做：8x+（5-x）X12=528x+5*12-12x=525*1

x+0.3=1.8x-1.5=45x=1.5x÷1.1=33+x=5.4x-6x+0.3=1.8x-1.5=45x=1.5x÷1.1=33+x=5.4x-6=7.60.2x=6x÷5=15 

5x-0.3/0.4=3x-12/0.6-1.8-8x/1.2x-9/6-2+x/3+1=x-x-2/4这里是两道题前一道至8x/1.2为止(1)15.7875(2)1.5

已知X=4-根号3求(X*X*X*X-6X*X*X-2X*X+18X+23)/(X*X-8X+15)的值紧急,,明天有用,,设x1=4-√3,x2=4+√3,是方程X^2-8X+13=0的两根所以X1^2-8X1+15=2X^4-6X^3-

1.8x-x=2.4x=？1.8x-x=2.40.8x=2.4x=3

40%x+70%x-x=1.80.4X+0.7X-x=1.8（1.1-1）x=1.8x=1.8/0.1x=18

intx=6;x+=x-=x*x;printf("x=%d\n",x);intx=6;x+=(x-=x*x);等价于：x=(x+=(6-(6*6)))=(x+=-30)=-60;

1.(x+7)/(x+6)+(x+9)/(x+8)=(x+10)/(x+9)+(x+6)/(x+5)2.已知：-x+13/（x-5)(x+3)=A/(x-5)-B/(x+3).求A,B3.已知abc=1,求a/(ab+a+1)+b/(bc+

解方程x/(x-2)=2x/(x-3)+(1-x)/(x-5x+6)x/(x-2)=2x/(x-3)+(1-x)/(x-5x+6)x/(x-2)=2x/(x-3)+(1-x)/(x-2)(x-3)x(x-3)/(x-2)(x-3)=2x(x